target/linux/generic/files/drivers/net/phy/b53/b53_priv.h

   1 /*
   2  * B53 common definitions
   3  *
   4  * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
   5  *
   6  * Permission to use, copy, modify, and/or distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef __B53_PRIV_H
  20 #define __B53_PRIV_H
  21
  22 #include <linux/kernel.h>
  23 #include <linux/mutex.h>
  24 #include <linux/switch.h>
  25
  26 struct b53_device;
  27
  28 struct b53_io_ops {
  29         int (*read8)(struct b53_device *dev, u8 page, u8 reg, u8 *value);
  30         int (*read16)(struct b53_device *dev, u8 page, u8 reg, u16 *value);
  31         int (*read32)(struct b53_device *dev, u8 page, u8 reg, u32 *value);
  32         int (*read48)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
  33         int (*read64)(struct b53_device *dev, u8 page, u8 reg, u64 *value);
  34         int (*write8)(struct b53_device *dev, u8 page, u8 reg, u8 value);
  35         int (*write16)(struct b53_device *dev, u8 page, u8 reg, u16 value);
  36         int (*write32)(struct b53_device *dev, u8 page, u8 reg, u32 value);
  37         int (*write48)(struct b53_device *dev, u8 page, u8 reg, u64 value);
  38         int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
  39 };
  40
  41 enum {
  42         BCM5325_DEVICE_ID = 0x25,
  43         BCM5365_DEVICE_ID = 0x65,
  44         BCM5395_DEVICE_ID = 0x95,
  45         BCM5397_DEVICE_ID = 0x97,
  46         BCM5398_DEVICE_ID = 0x98,
  47         BCM53115_DEVICE_ID = 0x53115,
  48         BCM53125_DEVICE_ID = 0x53125,
  49         BCM63XX_DEVICE_ID = 0x6300,
  50 };
  51
  52 #define B53_N_PORTS     9
  53 #define B53_N_PORTS_25  6
  54
  55 struct b53_vlan {
  56         unsigned int    members:B53_N_PORTS;
  57         unsigned int    untag:B53_N_PORTS;
  58 };
  59
  60 struct b53_port {
  61         unsigned int    pvid:12;
  62 };
  63
  64 struct b53_device {
  65         struct switch_dev sw_dev;
  66         struct b53_platform_data *pdata;
  67
  68         struct mutex reg_mutex;
  69         const struct b53_io_ops *ops;
  70
  71         /* chip specific data */
  72         u32 chip_id;
  73         u8 core_rev;
  74         u8 vta_regs[3];
  75         u8 duplex_reg;
  76         u8 jumbo_pm_reg;
  77         u8 jumbo_size_reg;
  78         int reset_gpio;
  79
  80         /* used ports mask */
  81         u16 enabled_ports;
  82
  83         /* connect specific data */
  84         u8 current_page;
  85         struct device *dev;
  86         void *priv;
  87
  88         /* run time configuration */
  89         unsigned enable_vlan:1;
  90         unsigned enable_jumbo:1;
  91         unsigned allow_vid_4095:1;
  92
  93         struct b53_port *ports;
  94         struct b53_vlan *vlans;
  95
  96         char *buf;
  97 };
  98
  99 #define b53_for_each_port(dev, i) \
 100         for (i = 0; i < B53_N_PORTS; i++) \
 101                 if (dev->enabled_ports & BIT(i))
 102
 103
 104
 105 static inline int is5325(struct b53_device *dev)
 106 {
 107         return dev->chip_id == BCM5325_DEVICE_ID;
 108 }
 109
 110 static inline int is5365(struct b53_device *dev)
 111 {
 112 #ifdef CONFIG_BCM47XX
 113         return dev->chip_id == BCM5365_DEVICE_ID;
 114 #else
 115         return 0;
 116 #endif
 117 }
 118
 119 static inline int is5397_98(struct b53_device *dev)
 120 {
 121         return dev->chip_id == BCM5397_DEVICE_ID ||
 122                 dev->chip_id == BCM5398_DEVICE_ID;
 123 }
 124
 125 static inline int is531x5(struct b53_device *dev)
 126 {
 127         return dev->chip_id == BCM53115_DEVICE_ID ||
 128                 dev->chip_id == BCM53125_DEVICE_ID;
 129 }
 130
 131 static inline int is63xx(struct b53_device *dev)
 132 {
 133 #ifdef CONFIG_BCM63XX
 134         return dev->chip_id == BCM63XX_DEVICE_ID;
 135 #else
 136         return 0;
 137 #endif
 138 }
 139
 140 #define B53_CPU_PORT_25 5
 141 #define B53_CPU_PORT    8
 142
 143 static inline int is_cpu_port(struct b53_device *dev, int port)
 144 {
 145         return dev->sw_dev.cpu_port == port;
 146 }
 147
 148 static inline struct b53_device *sw_to_b53(struct switch_dev *sw)
 149 {
 150         return container_of(sw, struct b53_device, sw_dev);
 151 }
 152
 153 struct b53_device *b53_switch_alloc(struct device *base, struct b53_io_ops *ops,
 154                                     void *priv);
 155
 156 int b53_switch_detect(struct b53_device *dev);
 157
 158 int b53_switch_register(struct b53_device *dev);
 159
 160 static inline void b53_switch_remove(struct b53_device *dev)
 161 {
 162         unregister_switch(&dev->sw_dev);
 163 }
 164
 165 static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)
 166 {
 167         int ret;
 168
 169         mutex_lock(&dev->reg_mutex);
 170         ret = dev->ops->read8(dev, page, reg, val);
 171         mutex_unlock(&dev->reg_mutex);
 172
 173         return ret;
 174 }
 175
 176 static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)
 177 {
 178         int ret;
 179
 180         mutex_lock(&dev->reg_mutex);
 181         ret = dev->ops->read16(dev, page, reg, val);
 182         mutex_unlock(&dev->reg_mutex);
 183
 184         return ret;
 185 }
 186
 187 static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)
 188 {
 189         int ret;
 190
 191         mutex_lock(&dev->reg_mutex);
 192         ret = dev->ops->read32(dev, page, reg, val);
 193         mutex_unlock(&dev->reg_mutex);
 194
 195         return ret;
 196 }
 197
 198 static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)
 199 {
 200         int ret;
 201
 202         mutex_lock(&dev->reg_mutex);
 203         ret = dev->ops->read48(dev, page, reg, val);
 204         mutex_unlock(&dev->reg_mutex);
 205
 206         return ret;
 207 }
 208
 209 static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)
 210 {
 211         int ret;
 212
 213         mutex_lock(&dev->reg_mutex);
 214         ret = dev->ops->read64(dev, page, reg, val);
 215         mutex_unlock(&dev->reg_mutex);
 216
 217         return ret;
 218 }
 219
 220 static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)
 221 {
 222         int ret;
 223
 224         mutex_lock(&dev->reg_mutex);
 225         ret = dev->ops->write8(dev, page, reg, value);
 226         mutex_unlock(&dev->reg_mutex);
 227
 228         return ret;
 229 }
 230
 231 static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,
 232                               u16 value)
 233 {
 234         int ret;
 235
 236         mutex_lock(&dev->reg_mutex);
 237         ret = dev->ops->write16(dev, page, reg, value);
 238         mutex_unlock(&dev->reg_mutex);
 239
 240         return ret;
 241 }
 242
 243 static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,
 244                               u32 value)
 245 {
 246         int ret;
 247
 248         mutex_lock(&dev->reg_mutex);
 249         ret = dev->ops->write32(dev, page, reg, value);
 250         mutex_unlock(&dev->reg_mutex);
 251
 252         return ret;
 253 }
 254
 255 static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,
 256                               u64 value)
 257 {
 258         int ret;
 259
 260         mutex_lock(&dev->reg_mutex);
 261         ret = dev->ops->write48(dev, page, reg, value);
 262         mutex_unlock(&dev->reg_mutex);
 263
 264         return ret;
 265 }
 266
 267 static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,
 268                                u64 value)
 269 {
 270         int ret;
 271
 272         mutex_lock(&dev->reg_mutex);
 273         ret = dev->ops->write64(dev, page, reg, value);
 274         mutex_unlock(&dev->reg_mutex);
 275
 276         return ret;
 277 }
 278
 279 #ifdef CONFIG_BCM47XX
 280
 281 #include <bcm47xx_nvram.h>
 282 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
 283 {
 284        return bcm47xx_nvram_gpio_pin("robo_reset");
 285 }
 286 #else
 287 static inline int b53_switch_get_reset_gpio(struct b53_device *dev)
 288 {
 289        return -ENOENT;
 290 }
 291 #endif
 292 #endif